Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/tests/gl_clear_framebuffer_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 17 matching lines @@
  public:
   GLClearFramebufferTest() : color_handle_(0u), depth_handle_(0u) {}
 
  protected:
   void SetUp() override {
     if (GetParam()) {
       // Force the glClear() workaround so we can test it here.
       base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
       command_line.AppendSwitchASCII(switches::kGpuDriverBugWorkarounds,
                                      base::IntToString(gpu::GL_CLEAR_BROKEN));
-      gl_.InitializeWithCommandLine(GLManager::Options(), &command_line);
+      gl_.InitializeWithCommandLine(GLManager::Options(), command_line);
       DCHECK(gl_.workarounds().gl_clear_broken);
     } else {
       gl_.Initialize(GLManager::Options());
       DCHECK(!gl_.workarounds().gl_clear_broken);
     }
   }
 
   void InitDraw();
   void SetDrawColor(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
   void SetDrawDepth(GLfloat depth);
@@ skipping 143 matching lines @@
 
   glClearDepthf(0.9f);
   glClear(GL_DEPTH_BUFFER_BIT);
   DrawQuad();
   // Verify - depth test should have passed, so red.
   EXPECT_TRUE(
       GLTestHelper::CheckPixels(0, 0, 1, 1, 0 /* tolerance */, kRed));
 }
 
 }  // namespace gpu